2006 BMW X5 vs. 1987 Buick Regal
To start off, 2006 BMW X5 is newer by 19 year(s). Which means there will be less support and parts availability for 1987 Buick Regal. In addition, the cost of maintenance, including insurance, on 1987 Buick Regal would be higher. At 3,791 cc (6 cylinders), 1987 Buick Regal is equipped with a bigger engine. In terms of performance, 1987 Buick Regal (276 HP @ 4400 RPM) has 51 more horse power than 2006 BMW X5. (225 HP @ 5900 RPM) In normal driving conditions, 1987 Buick Regal should accelerate faster than 2006 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW X5 weights approximately 259 kg more than 1987 Buick Regal.
Because 2006 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 1987 Buick Regal. In wet, icy, snow, or gravel driving conditions, 2006 BMW X5 will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 1987 Buick Regal (489 Nm @ 3000 RPM) has 199 more torque (in Nm) than 2006 BMW X5. (290 Nm @ 3500 RPM). This means 1987 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW X5.
Compare all specifications:
| 2006 BMW X5 | 1987 Buick Regal | |
| Make | BMW | Buick |
| Model | X5 | Regal |
| Year Released | 2006 | 1987 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2981 cc | 3791 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 225 HP | 276 HP |
| Engine RPM | 5900 RPM | 4400 RPM |
| Torque | 290 Nm | 489 Nm |
| Torque RPM | 3500 RPM | 3000 RPM |
| Engine Bore Size | 84 mm | 96.5 mm |
| Engine Stroke Size | 89.6 mm | 86.4 mm |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1835 kg | 1576 kg |
| Vehicle Length | 4670 mm | 5100 mm |
| Vehicle Width | 1880 mm | 1920 mm |
| Vehicle Height | 1770 mm | 1390 mm |
| Wheelbase Size | 2830 mm | 2750 mm |
| Fuel Tank Capacity | 92 L | 68 L |
